#include "ourhdr.h"
#define BUFFSIZE 8192

int 
main(void)
{
	int n;
	char buf[BUFFSIZE];
	
	while ((n = read(STDIN_FILENO, buf, BUFFSIZE)) > 0) {
		if (write(STDOUT_FILENO, buf, n) != n) {
			err_sys("write error");
		}
	}

	if (n < 0) {
		err_sys("read error");
	}
	exit(0);
}
